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compute quartiles of a distribution [message #77939] Mon, 17 October 2011 05:35
Thibault Garel is currently offline  Thibault Garel
Messages: 55
Registered: October 2009
Member
Hi,

I have sample of data (which distribution is unknown) of mean M. I
would like to calculate the quartiles with IDL, i.e what is the value
of Q for which 25% (or 75%) of the sample is comprised between [M-Q;M
+Q] ?
Do you know a routine which does that?
Thank you.
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